Did you know that plants can help to clean the air in your house over the long winter months?! Check out this study done by NASA on which plants remove the most chemicals from our air, and why..
en.wikipedia.org/wiki/NASA_Clean_Air_Study

You can use the handy guide in the gallery to find out what chemicals you want to focus on getting out of your air, and then decide which plant will help you out the most!
Aren't we lucky to share the planet with such helpful green friends!